#include <stdio.h>

#define MONTHS 12

int main(void)
{
    int days[MONTHS] = {31, 28, [4] = 31, 30, 31, [1]= 29};
    for (int i = 0; i < MONTHS; i++)
    {
        printf("%2d %d\n", i + 1, days[i]);
    }
    return 0;
}
